Home / 280,823.24-421,608.54-147,796.92

Finding the Fourth Proportional to 280,823.24, 421,608.54 and 147,796.92

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Solution

The fourth proportional to 280,823.24, 421,608.54 and 147,796.92 is: 221,892.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,823.24 : 421,608.54 = 147,796.92 : x
  2. Step 2: Convert to fraction form
    280,823.24/421,608.54 = 147,796.92/x
  3. Step 3: Cross multiply
    280,823.24x = 421,608.54 × 147,796.92
  4. Step 4: Simplify right side
    280,823.24x = 62,312,443,657.70
  5. Step 5: Solve for x
    x = 62,312,443,657.70/280,823.24
  6. Step 6: Final answer
    x = 221,892.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.